They also have "hyper spectral" eyes that detect light using 12 different color receptors. Compare that with 3 color receptors in human eyes (plus rods). I ju

They also have "hyper spectral" eyes that detect light using 12 different color receptors. Compare that with 3 color receptors in human eyes (plus rods). I just learned about them listening to RadioLab last week: http://www.radiolab.org/2012/may/21/ http://www.radiolab.org/2012/may/21/